Maximum Protection with Effortless Use
The Bulldog DC400 Auto Clamp is a heavy-duty, insurance-approved wheel clamp designed to give you unbeatable peace of mind when securing your motorhome or van. Suitable for motorhomes and vans and is adjustable to fit diameter 580mm - 740mm and depth 190mm - 255mm (including trim).
Built in Great Britain to the highest standards, this robust clamp combines strength, practicality, and visibility to deter even the most determined thieves.
Key Features
Adjustable Fit – Suitable for motorhomes and vans and is adjustable to fit diameter 580mm - 740mm and depth 190mm - 255mm (including trim).
Quick & Simple to Fit – Lightweight for its size and locks into place in seconds, without the need for fiddly adjustments.
Highly Visible Deterrent – Finished in a bright yellow powder coating, ensuring thieves think twice before attempting theft.
Superior Security – Fitted with Bulldog’s high-security plunge lock, drill and pick resistant with over one million key combinations. Can also be locked without the key for speed and convenience.
Heavy-Duty Build – Constructed from strong 40mm x 40mm steel box section with case-hardened arms for outstanding resistance to attack.
Wheel Nut Protection – Includes a large, 280mm diameter rubber-backed steel disc to shield wheel nuts from damage or tampering.
Peace of Mind
5 Year Guarantee when registered with Bulldog.
Made in Great Britain – trusted UK engineering and craftsmanship.
Insurance Approved – meets insurer requirements for added security.
Supplied with 2 keys and eligible for Bulldog’s Security Key Registration Service.
Independent Reviews
Praised by caravan and motorhome experts as one of the most secure and easy-to-use wheel clamps available:
“The Bulldog Auto Clamp secures the wheel with serious strength yet is one of the easiest to fit. It provides real confidence that your caravan or trailer will stay put.”
Why Choose the Bulldog DC400 Auto Clamp?
Designed for larger vehicles, caravans, and trailers.
Combines strength, ease of use, and high visibility.
Built to last with UK craftsmanship.
Backed by a 5-year guarantee and insurance approval.
 
Please note: If you would like this product keyed-alike, there is an additional charge of £2.49. Please email us your current key code after purchase.